EP3985992A4 - Wavelength switching and configuration methods and devices for passive optical network - Google Patents

Wavelength switching and configuration methods and devices for passive optical network Download PDF

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Publication number
EP3985992A4
EP3985992A4 EP20826461.4A EP20826461A EP3985992A4 EP 3985992 A4 EP3985992 A4 EP 3985992A4 EP 20826461 A EP20826461 A EP 20826461A EP 3985992 A4 EP3985992 A4 EP 3985992A4
Authority
EP
European Patent Office
Prior art keywords
devices
optical network
passive optical
wavelength switching
configuration methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20826461.4A
Other languages
German (de)
French (fr)
Other versions
EP3985992A1 (en
Inventor
Weiliang Zhang
Mingsheng Li
Bo Yang
Liquan Yuan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of EP3985992A1 publication Critical patent/EP3985992A1/en
Publication of EP3985992A4 publication Critical patent/EP3985992A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H04J14/025—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU using one wavelength per ONU, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0208—Interleaved arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • H04J14/0257—Wavelength assignment algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0064—Arbitration, scheduling or medium access control aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0075—Wavelength grouping or hierarchical aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0086—Network resource allocation, dimensioning or optimisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
EP20826461.4A 2019-06-17 2020-06-04 Wavelength switching and configuration methods and devices for passive optical network Pending EP3985992A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910523626.3A CN112104927B (en) 2019-06-17 2019-06-17 Wavelength switching and configuration method and device for passive optical network
PCT/CN2020/094261 WO2020253540A1 (en) 2019-06-17 2020-06-04 Wavelength switching and configuration methods and devices for passive optical network

Publications (2)

Publication Number Publication Date
EP3985992A1 EP3985992A1 (en) 2022-04-20
EP3985992A4 true EP3985992A4 (en) 2022-08-03

Family

ID=73748562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20826461.4A Pending EP3985992A4 (en) 2019-06-17 2020-06-04 Wavelength switching and configuration methods and devices for passive optical network

Country Status (4)

Country Link
US (1) US12028153B2 (en)
EP (1) EP3985992A4 (en)
CN (1) CN112104927B (en)
WO (1) WO2020253540A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090080891A1 (en) * 2007-09-21 2009-03-26 Tohru Kazawa Passive optical network system and ranging method
WO2017197978A1 (en) * 2016-05-16 2017-11-23 中兴通讯股份有限公司 Ranging method, optical line terminal and optical network unit
WO2018094606A1 (en) * 2016-11-23 2018-05-31 华为技术有限公司 Passive optical network system, optical line terminal and optical network unit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100490901B1 (en) * 2002-12-02 2005-05-24 한국전자통신연구원 Dynamic Bandwidth Allocation Method and Apparatus based on Class of Service over Ethernet Passive Optical Network
US8208815B1 (en) * 2006-11-30 2012-06-26 Marvell International Ltd. Bit accurate upstream burst transmission phase method for reducing burst data arrival variation
JP5689424B2 (en) * 2008-12-01 2015-03-25 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Method and apparatus for wavelength alignment in WDM-PON
EP2840742B1 (en) * 2012-04-20 2019-06-26 Mitsubishi Electric Corporation Communication system, master station apparatus, slave station apparatus, control apparatus, and communication control method
SG11201408322YA (en) * 2012-06-13 2015-02-27 Huawei Tech Co Ltd Wavelength configuration method and apparatus for multi-wavelength passive optical network, and multi-wavelength passive optical network system
CN103841474B (en) * 2012-11-23 2019-01-25 中兴通讯股份有限公司 Wavelength tuning method, system and equipment in a kind of passive optical network
CN103840903A (en) * 2012-11-23 2014-06-04 中兴通讯股份有限公司 Method and system for operating wavelength tuning
CN103973389B (en) * 2013-02-06 2017-05-24 上海贝尔股份有限公司 Method for automatically configuring wavelength of optical network units
CN105934903B (en) * 2014-01-23 2018-10-09 华为技术有限公司 Optical line terminal communication means and equipment with data structure
EP3382919A4 (en) * 2017-01-24 2019-01-16 Huawei Technologies Co., Ltd. Communication method, device and system for passive optical network (pon)
US11444718B2 (en) * 2017-09-05 2022-09-13 Danmarks Tekniske Universitet Optical line terminal and optical fiber access system with increased capacity
CN109495797B (en) * 2017-09-13 2022-02-22 中兴通讯股份有限公司 ONU management method, OLT and system in passive optical network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090080891A1 (en) * 2007-09-21 2009-03-26 Tohru Kazawa Passive optical network system and ranging method
WO2017197978A1 (en) * 2016-05-16 2017-11-23 中兴通讯股份有限公司 Ranging method, optical line terminal and optical network unit
WO2018094606A1 (en) * 2016-11-23 2018-05-31 华为技术有限公司 Passive optical network system, optical line terminal and optical network unit
EP3537628A1 (en) * 2016-11-23 2019-09-11 Huawei Technologies Co., Ltd. Passive optical network system, optical line terminal and optical network unit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020253540A1 *
YUANQIU LUO HUAWEI CHINA: "Draft document of G.multi;C 1849", ITU-T DRAFT ; STUDY PERIOD 2009-2012, INTERNATIONAL TELECOMMUNICATION UNION, GENEVA ; CH, vol. 2/15, 22 November 2011 (2011-11-22), pages 1 - 15, XP017573470 *

Also Published As

Publication number Publication date
WO2020253540A1 (en) 2020-12-24
US20220271858A1 (en) 2022-08-25
CN112104927B (en) 2023-11-17
CN112104927A (en) 2020-12-18
US12028153B2 (en) 2024-07-02
EP3985992A1 (en) 2022-04-20

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